Noid Light Set, 6 Pieces

• The most economical way to check electronic fuel injection electrical signals.
• Quick and easy to operate simply plug the suitable Noid light into the injector wiring harness.
• When the engine is cranked normal signals are indicated by rapid flashes from the light.
• Constant or no light indicates signal problems. Supplied in blow-molded case.
• Suitability GM PFI, FORD TBI, GEO TBI, BOSCH PFI, GM TBI, and GM SCPI.